/*
 * Copyright (C) 2005 - 2013 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008 - 2013 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010 - 2013 ProjectSkyfire <http://www.projectskyfire.org/>
 *
 * Copyright (C) 2011 - 2013 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef QUERYRESULT_H
#define QUERYRESULT_H

#include <ace/Refcounted_Auto_Ptr.h>
#include <ace/Thread_Mutex.h>

#include "Field.h"
#include "Log.h"

#ifdef _WIN32
#include <winsock2.h>
#endif
#include <mysql.h>

class ResultSet {
public:
	ResultSet(MYSQL_RES *result, MYSQL_FIELD *fields, uint64 rowCount,
			uint32 fieldCount);
	~ResultSet();

	bool NextRow();
	uint64 GetRowCount() const {
		return m_rowCount;
	}
	uint32 GetFieldCount() const {
		return m_fieldCount;
	}

	Field *Fetch() const {
		return m_currentRow;
	}
	const Field & operator [](uint32 index) const {
		ASSERT(index < m_fieldCount);
		return m_currentRow[index];
	}

protected:
	Field *m_currentRow;
	uint64 m_rowCount;
	uint32 m_fieldCount;

private:
	void CleanUp();
	MYSQL_RES *m_result;
	MYSQL_FIELD *m_fields;
};

typedef ACE_Refcounted_Auto_Ptr<ResultSet, ACE_Thread_Mutex> QueryResult;

class PreparedResultSet {
public:
	PreparedResultSet(MYSQL_STMT* stmt, MYSQL_RES *result, uint64 rowCount,
			uint32 fieldCount);
	~PreparedResultSet();

	bool NextRow();
	uint64 GetRowCount() const {
		return m_rowCount;
	}
	uint32 GetFieldCount() const {
		return m_fieldCount;
	}

	Field* Fetch() const {
		ASSERT(m_rowPosition < m_rowCount);
		return m_rows[uint32(m_rowPosition)];
	}

	const Field & operator [](uint32 index) const {
		ASSERT(m_rowPosition < m_rowCount);
		ASSERT(index < m_fieldCount);
		return m_rows[uint32(m_rowPosition)][index];
	}

protected:
	uint64 m_rowCount;
	uint64 m_rowPosition;
	std::vector<Field*> m_rows;
	uint32 m_fieldCount;

private:
	MYSQL_BIND* m_rBind;
	MYSQL_STMT* m_stmt;
	MYSQL_RES* m_res;

	my_bool* m_isNull;
	unsigned long* m_length;

	void FreeBindBuffer();
	void CleanUp();
	bool _NextRow();
};

typedef ACE_Refcounted_Auto_Ptr<PreparedResultSet, ACE_Thread_Mutex> PreparedQueryResult;

#endif
